The highest day temperature in May 2024 was 91°F. The lowest night temperature was 80°F. The average values for day and night temperatures during May were 88.6°F и 81.9°F respectivly.

The average sea surface temperature in May 2024 for Sao Luis was 89.9°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation total in May for Sao Luis is 4.7 in.

The average wind speed in May is 4.5 mph. It makes May one of the most windless months of the year for Sao Luis.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sao Luis in May is 3.8 hours.